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Individual Calculations August 2023 |
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| Prasanna, Gracy Total change: -51.20 | |   |
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| 51st annual World Open - Open | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 2012 | 3.50 | 8 | -1.85 | 40 | -74.00 | |
|  Khamrakulov, Djurabek | g | | 2490 | UZB | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Heller, Jack | | | 1800 | USA | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Chen, Derek | | | 1823 | USA | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Li, Alex | | | 1696 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Guo, Anni | | | 1811 | CAN | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Talwalkar, Vedant Ameya | | | 1808 | USA | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Harriott, Tyrell | | | 1846 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Kowalysko, Roman | | | 1888 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2023 US Girls' Junior Championship | St. Louis, Missouri | USA | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 2012 | 3.00 | 9 | 0.57 | 40 | 22.80 | |
| | Lee, Alice | f | wm | 2393 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Tang, Zoey | f | wm | 2290 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Wu, Rochelle | f | wg | 2253 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Liu, Kelsey | | | 1997 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Yip, Carissa | m | wg | 2369 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Mou, Iris | | wm | 2214 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Mangalam, Shreya | | wc | 1972 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Atwell, Rose | | | 2171 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Yan, Ruiyang | f | wc | 2206 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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